added new readme file (#2)

Author: ChristianKuehnel

.gitignore

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+.DS_Store

README.md

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+# Workspace for LLVM Infrastructure Working Group
+
+This repository contains the current workspace for the
+[Infrastructure Working Group](https://foundation.llvm.org/docs/infrastructure-wg/)
+(IWG) of the [LLVM project](http://llvm.org).
+
+## Contents
+
+* [Infrastructure survey](infrastructure_survey.md)
+* [Workflow survey](workflow_survey.md)
+* [Meeting Minutes](meeting_minutes)
+
+## Contact
+
+* Email address: [[email protected]](mailto:[email protected])